Phonograph.



N.' H. HOLLAND.

PHONOGBAPH.

APPLIOATION FILED MAR.13, 1911.

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NEWMAN H. HLLND, Oli' WEST ORANGE, N EW JERSEY, ASs'NCit, BY MESNE ASSIGN:MENTSAJ T0 NET JERSEY PATENT COMPANY, OF VJEST ORANGE, NEW JERSEY, A CORPGRATION 0F NEW JERSEY.

. in the county of Essex and State of New J ersey, have inventedcertain new and useful Improvements iii Phonograplis, of which the following is a specification.

My invention relates to plionographs and more particularly to new and improved means whereby the record of a. phonograph may be readily disengaged from its support without damage to the record surface.

As ordinary phonograph records change in diameter to a considerable extent under dierent temperature conditions, expanding under heat and contracting under cold, and as' the supports `upon which the records are mounted change but little in diameter under the same conditions and are, so constructed that when the records are slipped thereon.j a tight .engagement will be maintained between the same and the records, it frequently happens that the latter become so tightly locked to their supports that it is practically impossible to remove them by hand without damage to them..

it is the principal object of my invention to overcome this diliciilty by providing im proved means for automatically loosening the record from its support so as to permit it to be readily removed by hand. In conl 'formity with this object, I preferably provide a movable record support and means mounted in proximity thereto for shitting the record relatively to the said support when the mandrel is moved from its normal position.

Other object-s oi my invention consist in the construction of parts and combinations of elements as will be more `particularly pointed out in the claims.

In order that my invention may be more fully understood., attention is hereby direct-- ed to the accompanying' drawing forming a` part of this specification, and in which:

Figure l represents a vertical longitudinal section through the center of the mandrel ot a phonograph embodying my invention; Fig. 2 represents a similar view of a modification; and Fig. 3 represents a plan view of the left hand end of the mandrel.

In all of the views, corresponding' parts Specification of Letters Patent.

Application led March 13, 1911.

Patented Apr., 14, 1914..

Serial No. 614,278.

are designated by the same reference numerals. i

Referring to Fig. 1, 1 represents a bed plate provided with' a standard 2 in which the shaft or bearing 3 of the mandrel or record support 4 is ixedly secured by a set screw or other securing means 5. The inandrel 4 is mounted to rotate and to slide axially on the shaft or bearing 3 and is provided at its ends with members 6 and 7, which are in turn proi/'ided with bushings 8 and 9 respectively engaging the periphery of the shaft 3. The free end of the latter is preferably offset or enlarged as shown at 3, and the bushing 9 is made to extend to the left of the member 7 a short distance so as to permit a considerable relative axial movement between the inandrel and its bearing without disengaging the bushing 9 from the shaft 3. 7' is lan air passage adapted to permit the passage of air into and out of the Cylinder formed by the member 7 and the bushing 9 during the reciprocation therein of the oiiset end 3" of the shaft. Rotatably mounted on the shaft 3 but held from axial movement thereon by a set screw l0 coperating'with a circumferential groove 11 in the said shaft is a friction disk 12 driven from any suitable motor (not shown) by a friction member 13. The disk 12 is provided with a bushing 14 engaging the. periphery of the shaft 3. As shown in the drawing, this bushing is held against movement relatively to the member 12 by the set screw 10, but obviously it could be secured to the said member by friction or in any other suitable way.4 The rotation of the disk 12 is transmitted to the mandrel 4 by a member 15 secured to the bushing 14, the said member being provided with an annular flange 16 having one or more longitudinal slotsl7 therein. Pins or projections 18 preferably secured to the member 6 coper- .ate with said slots and are adapted to slide therein when the mandrel is shifted along the shaft or bearing 3. The pins 17 and slots 18 thus serve as means for transmitting the rotation of the driving means to:A

. extends oyer and in close proximity to the record bearing surface of the mandrel; so that as the mandrel is moved to the left, the left ,hand edge of the record is engaged by the said flange and is disengaged fromthe mandrel. A compression spring 20, preferably a. coil spring surrounding the shaft 3, bears against the opposing faces of the members 6 and 15, so as to cause 'the mandrel to automatically ret-urn to its normal position after it has been displaced therefrom. This spring is preferably designed to be under a slight compression when the pins 18 are in engagement With the right hand end of the slots 17 and are thus held in place by and rotate with the members 6 and 15. The numeral 21 represents a gear secured to the driving means and adapted to be connected with suitable means (not shown) for feeding the reprodtfceiftnot shown) along the record.

In .operating my improved device, the mandrel is, given a. quick thrust to the left, whereby the record is disengaged from and shifted longitudinally of the mandrel by the abutment or flange 16, so that it may then be readily removed by hand, the spring 20 returning the mandrel to its normal position. YVith the modification shown in Fig. 1, the movement of the mandrel to the left is produced by direct application of force to the right hand end of the mandrel. preferably by hand.

Fig. 2 shows my improved device provided vvith means to impart an axial thrust to the mandrel. This means comprises a hollow tubular member 22 mounted on the outer end of the shaft 3, which latter extends through the member 7 and preferably slightly beyond the same. The member 22 is provided with an inclined slot 23 in which is slidably engaged the pin or projection 24 secured to the shaft 3; and the left hand edge of the said member 22 engages the opposing end of the mandrel, so that as the said member is rotated by the knurled head 25, it is shifted longiudinally of the shaftor bearing 3 and carries the mandrel with it.

While I have shown certain preferred embodiments of my invention, I do not Wish to be limited to those disclosed; as my invention may evidently be carried out in numerous other Ways. Any desired member adapted to loosen the record from its support upon the displacement of the latter may be substituted for the abutments shown; and, in short, my invention is limited only as defined by the terms of the appended claims.

Having now described my invention, what I claim as new and desire to secure by Letters Patent of the United States, is as follows:-

1. In a phonograph, a shaft, means supporting the same, a record support mounted on said shaft and movable axlally thereof,

and means mounted on said shaft in proximity to said record support. and adapted to shift a record mounted on said support relatively to the latter when said support is moved axially of said shaft, substantially as described.

2. In a phonograph, a rotatable record support, a bearing therefor, and means for .being provided with an abutment adapted to shift the record relatively tothe record support when the latter is moved in a given direction relatively to said member, and means for returning said record support toits normal posit-ion relatively to said member, substantially as describe 4. In a phonograph, the combination of a rotatable record support, a bearing therefor, a member rotatable with said record support, said support. being axially movable relatively to said member, and said member being provided with an abutment adapted to shift the record relatively to the record support when the llatter is moved in a given direct-ion relatively to said member, and means for returning said record support to its normal position relatively to said member, substantially as described.

5. In a phonograph, the combination of a rotatable record support, a bearing therefor, a driving member for said record support, said driving member and record support bein movable' relatively to. each other, and said driving member being provided with an abut-ment adapted to shift the record relatively to the record support when the latter and said driving member are moved toward each other, andyielding means for returning said driving member and said record support to their normal relative positions, substantially as described.

6. In a phonograph, the combination of a record support, a shaft extending axially thereof, means coacting with said shaft and support to move the same relatively to each' other, and means for shifting a record mounted on said support relatively to the vlatter when said shaft and support are moved relatively to each other, substantially as described.

'i'. In a phonograph, the combination of a. record support, a bearing therefor an abutment mounted in proximity tot e record supporting surface of said record support,

and means for moving said support and' relatively to said support when the latter is moved axially, substantially as described.

9. In a phonograph, the combination of a rotatable record support, a bearing therefor, and a member rotatable with said record support, said record support being movable relatively to said member, and said member being provided With an -abutment adapted to shift the record relatively to the record support When the latter is moved in a given direction relatively to said member, substantially as described.

10. -In a phonograph, the combination of a movable record support, means for supporting the same, means mounted in proximity to the record support and adapte the record relativel yto said support when the latter is moved rom its normal position, and means for automatically moving said support, back to its normal position directly upon thev cessation of the force moving the same from said.position, substantially as described.

11.l In a phonograph, the combination of a 'rotatable axially movable record support,

means for supporting the same, means i mounted in proximity to the record support 40 and adapted to shift the record relatively to said support when the latter is moved axially from its normal position, and means for automatically moving said support back to its normal position directly upon the cessation of the force moving the same from said posi tion, substantially as described.

12. In a phonograph, the combination of a rotatable axially movable record support, means for supporting4 the same, means mounted in proximity to the record support and adapted to shift the record relatively to to shift said support when the latter is moved axially from its normal position, and resilient means for automatically moving said support back to its normal position directly upon the cessation of the force moving the same from said position, substantially as described.

13. In a phonograph, the combination of .a rotatable record support, a bearing therefor, and a driving member for said record support, said driving member and record support being movable relatively to each other, and sald driving member being provided With an abutment adapted to shift a record mounted on said support ,relatively tothe latter When'said support and said driving member are moved in a given direction relatively to each other, substantially as described.

14. In a phonograph, the combination of a record support, a shaft extending longitudinally thereof, means coacting 'with said shaft and support to move said support relatively to said shaft, and means for shifting a record mounted on said, support relatively to the latter Whensaid support is' moved in a given direction relatively to sald lshaft, substantially as described.

15. In a phonograph, the combination of a shaft, a record support mounted thereon, means coacting with said shaft and support to move the same relatively to each other, and means for shifting a record mounted on said support relatively to the lat-ter 'when said shaft and support are moved relatively to each other, substantially as described.

16. The combination of a record support, a shaft extending longitudinally thereof, means coacting with said shaft and support and rotatable to move the same relatively to each other, and means for shifting a record mounted on said support relatively to the latter when said shaft and support are moved relatively to each other, substantially as described.

This specification signed .and this 9th day of March n1911.

NldTVlTMANk H. HOLLAND.

witnessed Witnesses FREDERICK BACHMANN, ANNA R. KLEHM. 

